/************************************************************************** * * Copyright 2014 Advanced Micro Devices, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ #include "util/u_tests.h" #include "util/u_draw_quad.h" #include "util/u_format.h" #include "util/u_inlines.h" #include "util/u_memory.h" #include "util/u_simple_shaders.h" #include "util/u_surface.h" #include "util/u_string.h" #include "util/u_tile.h" #include "tgsi/tgsi_strings.h" #include "tgsi/tgsi_text.h" #include "cso_cache/cso_context.h" #include #define TOLERANCE 0.01 static struct pipe_resource * util_create_texture2d(struct pipe_screen *screen, unsigned width, unsigned height, enum pipe_format format, unsigned num_samples) { struct pipe_resource templ = {{0}}; templ.target = PIPE_TEXTURE_2D; templ.width0 = width; templ.height0 = height; templ.depth0 = 1; templ.array_size = 1; templ.nr_samples = num_samples; templ.nr_storage_samples = num_samples; templ.format = format; templ.usage = PIPE_USAGE_DEFAULT; templ.bind = PIPE_BIND_SAMPLER_VIEW | (util_format_is_depth_or_stencil(format) ? PIPE_BIND_DEPTH_STENCIL : PIPE_BIND_RENDER_TARGET); return screen->resource_create(screen, &templ); } static void util_set_framebuffer_cb0(struct cso_context *cso, struct pipe_context *ctx, struct pipe_resource *tex) { struct pipe_surface templ = {{0}}, *surf; struct pipe_framebuffer_state fb = {0}; templ.format = tex->format; surf = ctx->create_surface(ctx, tex, &templ); fb.width = tex->width0; fb.height = tex->height0; fb.cbufs[0] = surf; fb.nr_cbufs = 1; cso_set_framebuffer(cso, &fb); pipe_surface_reference(&surf, NULL); } static void util_set_blend_normal(struct cso_context *cso) { struct pipe_blend_state blend = {0}; blend.rt[0].colormask = PIPE_MASK_RGBA; cso_set_blend(cso, &blend); } static void util_set_dsa_disable(struct cso_context *cso) { struct pipe_depth_stencil_alpha_state dsa = {{0}}; cso_set_depth_stencil_alpha(cso, &dsa); } static void util_set_rasterizer_normal(struct cso_context *cso) { struct pipe_rasterizer_state rs = {0}; rs.half_pixel_center = 1; rs.bottom_edge_rule = 1; rs.depth_clip_near = 1; rs.depth_clip_far = 1; cso_set_rasterizer(cso, &rs); } static void util_set_max_viewport(struct cso_context *cso, struct pipe_resource *tex) { struct pipe_viewport_state viewport; viewport.scale[0] = 0.5f * tex->width0; viewport.scale[1] = 0.5f * tex->height0; viewport.scale[2] = 1.0f; viewport.translate[0] = 0.5f * tex->width0; viewport.translate[1] = 0.5f * tex->height0; viewport.translate[2] = 0.0f; cso_set_viewport(cso, &viewport); } static void util_set_interleaved_vertex_elements(struct cso_context *cso, unsigned num_elements) { unsigned i; struct pipe_vertex_element *velem = calloc(1, num_elements * sizeof(struct pipe_vertex_element)); for (i = 0; i < num_elements; i++) { velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; velem[i].src_offset = i * 16; } cso_set_vertex_elements(cso, num_elements, velem); free(velem); } static void * util_set_passthrough_vertex_shader(struct cso_context *cso, struct pipe_context *ctx, bool window_space) { static const enum tgsi_semantic vs_attribs[] = { TGSI_SEMANTIC_POSITION, TGSI_SEMANTIC_GENERIC }; static const uint vs_indices[] = {0, 0}; void *vs; vs = util_make_vertex_passthrough_shader(ctx, 2, vs_attribs, vs_indices, window_space); cso_set_vertex_shader_handle(cso, vs); return vs; } static void util_set_common_states_and_clear(struct cso_context *cso, struct pipe_context *ctx, struct pipe_resource *cb) { static const float clear_color[] = {0.1, 0.1, 0.1, 0.1}; util_set_framebuffer_cb0(cso, ctx, cb); util_set_blend_normal(cso); util_set_dsa_disable(cso); util_set_rasterizer_normal(cso); util_set_max_viewport(cso, cb); ctx->clear(ctx, PIPE_CLEAR_COLOR0, (void*)clear_color, 0, 0); } static void util_draw_fullscreen_quad(struct cso_context *cso) { static float vertices[] = { -1, -1, 0, 1, 0, 0, 0, 0, -1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, -1, 0, 1, 1, 0, 0, 0 }; util_set_interleaved_vertex_elements(cso, 2); util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2); } static void util_draw_fullscreen_quad_fill(struct cso_context *cso, float r, float g, float b, float a) { float vertices[] = { -1, -1, 0, 1, r, g, b, a, -1, 1, 0, 1, r, g, b, a, 1, 1, 0, 1, r, g, b, a, 1, -1, 0, 1, r, g, b, a, }; util_set_interleaved_vertex_elements(cso, 2); util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2); } /** * Probe and test if the rectangle contains the expected color. * * If "num_expected_colors" > 1, at least one expected color must match * the probed color. "expected" should be an array of 4*num_expected_colors * floats. */ static bool util_probe_rect_rgba_multi(struct pipe_context *ctx, struct pipe_resource *tex, unsigned offx, unsigned offy, unsigned w, unsigned h, const float *expected, unsigned num_expected_colors) { struct pipe_transfer *transfer; void *map; float *pixels = malloc(w * h * 4 * sizeof(float)); unsigned x,y,e,c; bool pass = true; map = pipe_transfer_map(ctx, tex, 0, 0, PIPE_TRANSFER_READ, offx, offy, w, h, &transfer); pipe_get_tile_rgba(transfer, map, 0, 0, w, h, pixels); pipe_transfer_unmap(ctx, transfer); for (e = 0; e < num_expected_colors; e++) { for (y = 0; y < h; y++) { for (x = 0; x < w; x++) { float *probe = &pixels[(y*w + x)*4]; for (c = 0; c < 4; c++) { if (fabs(probe[c] - expected[e*4+c]) >= TOLERANCE) { if (e < num_expected_colors-1) goto next_color; /* test the next expected color */ printf("Probe color at (%i,%i), ", offx+x, offy+y); printf("Expected: %.3f, %.3f, %.3f, %.3f, ", expected[e*4], expected[e*4+1], expected[e*4+2], expected[e*4+3]); printf("Got: %.3f, %.3f, %.3f, %.3f\n", probe[0], probe[1], probe[2], probe[3]); pass = false; goto done; } } } } break; /* this color was successful */ next_color:; } done: free(pixels); return pass; } static bool util_probe_rect_rgba(struct pipe_context *ctx, struct pipe_resource *tex, unsigned offx, unsigned offy, unsigned w, unsigned h, const float *expected) { return util_probe_rect_rgba_multi(ctx, tex, offx, offy, w, h, expected, 1); } enum { SKIP = -1, FAIL = 0, /* also "false" */ PASS = 1 /* also "true" */ }; static void util_report_result_helper(int status, const char *name, ...) { char buf[256]; va_list ap; va_start(ap, name); util_vsnprintf(buf, sizeof(buf), name, ap); va_end(ap); printf("Test(%s) = %s\n", buf, status == SKIP ? "skip" : status == PASS ? "pass" : "fail"); } #define util_report_result(status) util_report_result_helper(status, __func__) /** * Test TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION. * * The viewport state is set as usual, but it should have no effect. * Clipping should also be disabled. * * POSITION.xyz should already be multiplied by 1/w and POSITION.w should * contain 1/w. By setting w=0, we can test that POSITION.xyz isn't * multiplied by 1/w (otherwise nothing would be rendered). * * TODO: Whether the value of POSITION.w is correctly interpreted as 1/w * during perspective interpolation is not tested. */ static void tgsi_vs_window_space_position(struct pipe_context *ctx) { struct cso_context *cso; struct pipe_resource *cb; void *fs, *vs; bool pass = true; static const float red[] = {1, 0, 0, 1}; if (!ctx->screen->get_param(ctx->screen, PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION)) { util_report_result(SKIP); return; } cso = cso_create_context(ctx, 0); cb = util_create_texture2d(ctx->screen, 256, 256, PIPE_FORMAT_R8G8B8A8_UNORM, 0); util_set_common_states_and_clear(cso, ctx, cb); /* Fragment shader. */ fs = util_make_fragment_passthrough_shader(ctx, TGSI_SEMANTIC_GENERIC, TGSI_INTERPOLATE_LINEAR, TRUE); cso_set_fragment_shader_handle(cso, fs); /* Vertex shader. */ vs = util_set_passthrough_vertex_shader(cso, ctx, true); /* Draw. */ { static float vertices[] = { 0, 0, 0, 0, 1, 0, 0, 1, 0, 256, 0, 0, 1, 0, 0, 1, 256, 256, 0, 0, 1, 0, 0, 1, 256, 0, 0, 0, 1, 0, 0, 1, }; util_set_interleaved_vertex_elements(cso, 2); util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2); } /* Probe pixels. */ pass = pass && util_probe_rect_rgba(ctx, cb, 0, 0, cb->width0, cb->height0, red); /* Cleanup. */ cso_destroy_context(cso); ctx->delete_vs_state(ctx, vs); ctx->delete_fs_state(ctx, fs); pipe_resource_reference(&cb, NULL); util_report_result(pass); } static void null_sampler_view(struct pipe_context *ctx, unsigned tgsi_tex_target) { struct cso_context *cso; struct pipe_resource *cb; void *fs, *vs; bool pass = true; /* 2 expected colors: */ static const float expected_tex[] = {0, 0, 0, 1, 0, 0, 0, 0}; static const float expected_buf[] = {0, 0, 0, 0}; const float *expected = tgsi_tex_target == TGSI_TEXTURE_BUFFER ? expected_buf : expected_tex; unsigned num_expected = tgsi_tex_target == TGSI_TEXTURE_BUFFER ? 1 : 2; if (tgsi_tex_target == TGSI_TEXTURE_BUFFER && !ctx->screen->get_param(ctx->screen, PIPE_CAP_TEXTURE_BUFFER_OBJECTS)) { util_report_result_helper(SKIP, "%s: %s", __func__, tgsi_texture_names[tgsi_tex_target]); return; } cso = cso_create_context(ctx, 0); cb = util_create_texture2d(ctx->screen, 256, 256, PIPE_FORMAT_R8G8B8A8_UNORM, 0); util_set_common_states_and_clear(cso, ctx, cb); ctx->set_sampler_views(ctx, PIPE_SHADER_FRAGMENT, 0, 1, NULL); /* Fragment shader. */ fs = util_make_fragment_tex_shader(ctx, tgsi_tex_target, TGSI_INTERPOLATE_LINEAR, TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT, false, false); cso_set_fragment_shader_handle(cso, fs); /* Vertex shader. */ vs = util_set_passthrough_vertex_shader(cso, ctx, false); util_draw_fullscreen_quad(cso); /* Probe pixels. */ pass = pass && util_probe_rect_rgba_multi(ctx, cb, 0, 0, cb->width0, cb->height0, expected, num_expected); /* Cleanup. */ cso_destroy_context(cso); ctx->delete_vs_state(ctx, vs); ctx->delete_fs_state(ctx, fs); pipe_resource_reference(&cb, NULL); util_report_result_helper(pass, "%s: %s", __func__, tgsi_texture_names[tgsi_tex_target]); } void util_test_constant_buffer(struct pipe_context *ctx, struct pipe_resource *constbuf) { struct cso_context *cso; struct pipe_resource *cb; void *fs, *vs; bool pass = true; static const float zero[] = {0, 0, 0, 0}; cso = cso_create_context(ctx, 0); cb = util_create_texture2d(ctx->screen, 256, 256, PIPE_FORMAT_R8G8B8A8_UNORM, 0); util_set_common_states_and_clear(cso, ctx, cb); pipe_set_constant_buffer(ctx, PIPE_SHADER_FRAGMENT, 0, constbuf); /* Fragment shader. */ { static const char *text = /* I don't like ureg... */ "FRAG\n" "DCL CONST[0][0]\n" "DCL OUT[0], COLOR\n" "MOV OUT[0], CONST[0][0]\n" "END\n"; struct tgsi_token tokens[1000]; struct pipe_shader_state state; if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens))) { puts("Can't compile a fragment shader."); util_report_result(FAIL); return; } pipe_shader_state_from_tgsi(&state, tokens); fs = ctx->create_fs_state(ctx, &state); cso_set_fragment_shader_handle(cso, fs); } /* Vertex shader. */ vs = util_set_passthrough_vertex_shader(cso, ctx, false); util_draw_fullscreen_quad(cso); /* Probe pixels. */ pass = pass && util_probe_rect_rgba(ctx, cb, 0, 0, cb->width0, cb->height0, zero); /* Cleanup. */ cso_destroy_context(cso); ctx->delete_vs_state(ctx, vs); ctx->delete_fs_state(ctx, fs); pipe_resource_reference(&cb, NULL); util_report_result(pass); } static void null_fragment_shader(struct pipe_context *ctx) { struct cso_context *cso; struct pipe_resource *cb; void *vs; struct pipe_rasterizer_state rs = {0}; struct pipe_query *query; union pipe_query_result qresult; cso = cso_create_context(ctx, 0); cb = util_create_texture2d(ctx->screen, 256, 256, PIPE_FORMAT_R8G8B8A8_UNORM, 0); util_set_common_states_and_clear(cso, ctx, cb); /* No rasterization. */ rs.rasterizer_discard = 1; cso_set_rasterizer(cso, &rs); vs = util_set_passthrough_vertex_shader(cso, ctx, false); query = ctx->create_query(ctx, PIPE_QUERY_PRIMITIVES_GENERATED, 0); ctx->begin_query(ctx, query); util_draw_fullscreen_quad(cso); ctx->end_query(ctx, query); ctx->get_query_result(ctx, query, true, &qresult); /* Cleanup. */ cso_destroy_context(cso); ctx->delete_vs_state(ctx, vs); ctx->destroy_query(ctx, query); pipe_resource_reference(&cb, NULL); /* Check PRIMITIVES_GENERATED. */ util_report_result(qresult.u64 == 2); } #if defined(PIPE_OS_LINUX) && defined(HAVE_LIBDRM) #include #else #define sync_merge(str, fd1, fd2) (-1) #define sync_wait(fd, timeout) (-1) #endif static void test_sync_file_fences(struct pipe_context *ctx) { struct pipe_screen *screen = ctx->screen; bool pass = true; enum pipe_fd_type fd_type = PIPE_FD_TYPE_NATIVE_SYNC; if (!screen->get_param(screen, PIPE_CAP_NATIVE_FENCE_FD)) return; struct cso_context *cso = cso_create_context(ctx, 0); struct pipe_resource *buf = pipe_buffer_create(screen, 0, PIPE_USAGE_DEFAULT, 1024 * 1024); struct pipe_resource *tex = util_create_texture2d(screen, 4096, 1024, PIPE_FORMAT_R8_UNORM, 0); struct pipe_fence_handle *buf_fence = NULL, *tex_fence = NULL; /* Run 2 clears, get fencess. */ uint32_t value = 0; ctx->clear_buffer(ctx, buf, 0, buf->width0, &value, sizeof(value)); ctx->flush(ctx, &buf_fence, PIPE_FLUSH_FENCE_FD); struct pipe_box box; u_box_2d(0, 0, tex->width0, tex->height0, &box); ctx->clear_texture(ctx, tex, 0, &box, &value); ctx->flush(ctx, &tex_fence, PIPE_FLUSH_FENCE_FD); pass = pass && buf_fence && tex_fence; /* Export fences. */ int buf_fd = screen->fence_get_fd(screen, buf_fence); int tex_fd = screen->fence_get_fd(screen, tex_fence); pass = pass && buf_fd >= 0 && tex_fd >= 0; /* Merge fences. */ int merged_fd = sync_merge("test", buf_fd, tex_fd); pass = pass && merged_fd >= 0; /* (Re)import all fences. */ struct pipe_fence_handle *re_buf_fence = NULL, *re_tex_fence = NULL; struct pipe_fence_handle *merged_fence = NULL; ctx->create_fence_fd(ctx, &re_buf_fence, buf_fd, fd_type); ctx->create_fence_fd(ctx, &re_tex_fence, tex_fd, fd_type); ctx->create_fence_fd(ctx, &merged_fence, merged_fd, fd_type); pass = pass && re_buf_fence && re_tex_fence && merged_fence; /* Run another clear after waiting for everything. */ struct pipe_fence_handle *final_fence = NULL; ctx->fence_server_sync(ctx, merged_fence); value = 0xff; ctx->clear_buffer(ctx, buf, 0, buf->width0, &value, sizeof(value)); ctx->flush(ctx, &final_fence, PIPE_FLUSH_FENCE_FD); pass = pass && final_fence; /* Wait for the last fence. */ int final_fd = screen->fence_get_fd(screen, final_fence); pass = pass && final_fd >= 0; pass = pass && sync_wait(final_fd, -1) == 0; /* Check that all fences are signalled. */ pass = pass && sync_wait(buf_fd, 0) == 0; pass = pass && sync_wait(tex_fd, 0) == 0; pass = pass && sync_wait(merged_fd, 0) == 0; pass = pass && screen->fence_finish(screen, NULL, buf_fence, 0); pass = pass && screen->fence_finish(screen, NULL, tex_fence, 0); pass = pass && screen->fence_finish(screen, NULL, re_buf_fence, 0); pass = pass && screen->fence_finish(screen, NULL, re_tex_fence, 0); pass = pass && screen->fence_finish(screen, NULL, merged_fence, 0); pass = pass && screen->fence_finish(screen, NULL, final_fence, 0); /* Cleanup. */ #ifndef PIPE_OS_WINDOWS if (buf_fd >= 0) close(buf_fd); if (tex_fd >= 0) close(tex_fd); if (merged_fd >= 0) close(merged_fd); if (final_fd >= 0) close(final_fd); #endif screen->fence_reference(screen, &buf_fence, NULL); screen->fence_reference(screen, &tex_fence, NULL); screen->fence_reference(screen, &re_buf_fence, NULL); screen->fence_reference(screen, &re_tex_fence, NULL); screen->fence_reference(screen, &merged_fence, NULL); screen->fence_reference(screen, &final_fence, NULL); cso_destroy_context(cso); pipe_resource_reference(&buf, NULL); pipe_resource_reference(&tex, NULL); util_report_result(pass); } static void test_texture_barrier(struct pipe_context *ctx, bool use_fbfetch, unsigned num_samples) { struct cso_context *cso; struct pipe_resource *cb; struct pipe_sampler_view *view = NULL; char name[256]; const char *text; assert(num_samples >= 1 && num_samples <= 8); util_snprintf(name, sizeof(name), "%s: %s, %u samples", __func__, use_fbfetch ? "FBFETCH" : "sampler", MAX2(num_samples, 1)); if (!ctx->screen->get_param(ctx->screen, PIPE_CAP_TEXTURE_BARRIER)) { util_report_result_helper(SKIP, name); return; } if (use_fbfetch && !ctx->screen->get_param(ctx->screen, PIPE_CAP_TGSI_FS_FBFETCH)) { util_report_result_helper(SKIP, name); return; } cso = cso_create_context(ctx, 0); cb = util_create_texture2d(ctx->screen, 256, 256, PIPE_FORMAT_R8G8B8A8_UNORM, num_samples); util_set_common_states_and_clear(cso, ctx, cb); /* Clear each sample to a different value. */ if (num_samples > 1) { void *fs = util_make_fragment_passthrough_shader(ctx, TGSI_SEMANTIC_GENERIC, TGSI_INTERPOLATE_LINEAR, TRUE); cso_set_fragment_shader_handle(cso, fs); /* Vertex shader. */ void *vs = util_set_passthrough_vertex_shader(cso, ctx, false); for (unsigned i = 0; i < num_samples / 2; i++) { float value; /* 2 consecutive samples should have the same color to test MSAA * compression properly. */ if (num_samples == 2) { value = 0.1; } else { /* The average value must be 0.1 */ static const float values[] = { 0.0, 0.2, 0.05, 0.15 }; value = values[i]; } ctx->set_sample_mask(ctx, 0x3 << (i * 2)); util_draw_fullscreen_quad_fill(cso, value, value, value, value); } ctx->set_sample_mask(ctx, ~0); cso_set_vertex_shader_handle(cso, NULL); cso_set_fragment_shader_handle(cso, NULL); ctx->delete_vs_state(ctx, vs); ctx->delete_fs_state(ctx, fs); } if (use_fbfetch) { /* Fragment shader. */ text = "FRAG\n" "DCL OUT[0], COLOR[0]\n" "DCL TEMP[0]\n" "IMM[0] FLT32 { 0.1, 0.2, 0.3, 0.4}\n" "FBFETCH TEMP[0], OUT[0]\n" "ADD OUT[0], TEMP[0], IMM[0]\n" "END\n"; } else { struct pipe_sampler_view templ = {{0}}; templ.format = cb->format; templ.target = cb->target; templ.swizzle_r = PIPE_SWIZZLE_X; templ.swizzle_g = PIPE_SWIZZLE_Y; templ.swizzle_b = PIPE_SWIZZLE_Z; templ.swizzle_a = PIPE_SWIZZLE_W; view = ctx->create_sampler_view(ctx, cb, &templ); ctx->set_sampler_views(ctx, PIPE_SHADER_FRAGMENT, 0, 1, &view); /* Fragment shader. */ if (num_samples > 1) { text = "FRAG\n" "DCL SV[0], POSITION\n" "DCL SV[1], SAMPLEID\n" "DCL SAMP[0]\n" "DCL SVIEW[0], 2D_MSAA, FLOAT\n" "DCL OUT[0], COLOR[0]\n" "DCL TEMP[0]\n" "IMM[0] FLT32 { 0.1, 0.2, 0.3, 0.4}\n" "F2I TEMP[0].xy, SV[0].xyyy\n" "MOV TEMP[0].w, SV[1].xxxx\n" "TXF TEMP[0], TEMP[0], SAMP[0], 2D_MSAA\n" "ADD OUT[0], TEMP[0], IMM[0]\n" "END\n"; } else { text = "FRAG\n" "DCL SV[0], POSITION\n" "DCL SAMP[0]\n" "DCL SVIEW[0], 2D, FLOAT\n" "DCL OUT[0], COLOR[0]\n" "DCL TEMP[0]\n" "IMM[0] FLT32 { 0.1, 0.2, 0.3, 0.4}\n" "IMM[1] INT32 { 0, 0, 0, 0}\n" "F2I TEMP[0].xy, SV[0].xyyy\n" "MOV TEMP[0].zw, IMM[1]\n" "TXF TEMP[0], TEMP[0], SAMP[0], 2D\n" "ADD OUT[0], TEMP[0], IMM[0]\n" "END\n"; } } struct tgsi_token tokens[1000]; struct pipe_shader_state state; if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens))) { assert(0); util_report_result_helper(FAIL, name); return; } pipe_shader_state_from_tgsi(&state, tokens); void *fs = ctx->create_fs_state(ctx, &state); cso_set_fragment_shader_handle(cso, fs); /* Vertex shader. */ void *vs = util_set_passthrough_vertex_shader(cso, ctx, false); if (num_samples > 1 && !use_fbfetch) ctx->set_min_samples(ctx, num_samples); for (int i = 0; i < 2; i++) { ctx->texture_barrier(ctx, use_fbfetch ? PIPE_TEXTURE_BARRIER_FRAMEBUFFER : PIPE_TEXTURE_BARRIER_SAMPLER); util_draw_fullscreen_quad(cso); } if (num_samples > 1 && !use_fbfetch) ctx->set_min_samples(ctx, 1); /* Probe pixels. * * For single sample: * result = 0.1 (clear) + (0.1, 0.2, 0.3, 0.4) * 2 = (0.3, 0.5, 0.7, 0.9) * * For MSAA 4x: * sample0 = 0.0 (clear) + (0.1, 0.2, 0.3, 0.4) * 2 = (0.2, 0.4, 0.6, 0.8) * sample1 = sample0 * sample2 = 0.2 (clear) + (0.1, 0.2, 0.3, 0.4) * 2 = (0.4, 0.6, 0.8, 1.0) * sample3 = sample2 * resolved = sum(sample[0:3]) / 4 = (0.3, 0.5, 0.7, 0.9) */ static const float expected[] = {0.3, 0.5, 0.7, 0.9}; bool pass = util_probe_rect_rgba(ctx, cb, 0, 0, cb->width0, cb->height0, expected); /* Cleanup. */ cso_destroy_context(cso); ctx->delete_vs_state(ctx, vs); ctx->delete_fs_state(ctx, fs); pipe_sampler_view_reference(&view, NULL); pipe_resource_reference(&cb, NULL); util_report_result_helper(pass, name); } static void test_compute_clear_image(struct pipe_context *ctx) { struct pipe_resource *cb; const char *text; cb = util_create_texture2d(ctx->screen, 256, 256, PIPE_FORMAT_R8G8B8A8_UNORM, 1); /* Compute shader. */ text = "COMP\n" "PROPERTY CS_FIXED_BLOCK_WIDTH 8\n" "PROPERTY CS_FIXED_BLOCK_HEIGHT 8\n" "PROPERTY CS_FIXED_BLOCK_DEPTH 1\n" "DCL SV[0], THREAD_ID\n" "DCL SV[1], BLOCK_ID\n" "DCL IMAGE[0], 2D, PIPE_FORMAT_R8G8B8A8_UNORM, WR\n" "DCL TEMP[0]\n" "IMM[0] UINT32 { 8, 8, 0, 0}\n" "IMM[1] FLT32 { 1, 0, 0, 0}\n" /* TEMP[0].xy = SV[1] * IMM[0] + SV[0]; */ "UMAD TEMP[0].xy, SV[1], IMM[0], SV[0]\n" "STORE IMAGE[0], TEMP[0], IMM[1], 2D, PIPE_FORMAT_R8G8B8A8_UNORM\n" "END\n"; struct tgsi_token tokens[1000]; if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens))) { assert(0); util_report_result(FAIL); return; } struct pipe_compute_state state = {0}; state.ir_type = PIPE_SHADER_IR_TGSI; state.prog = tokens; void *compute_shader = ctx->create_compute_state(ctx, &state); ctx->bind_compute_state(ctx, compute_shader); /* Bind the image. */ struct pipe_image_view image = {0}; image.resource = cb; image.shader_access = image.access = PIPE_IMAGE_ACCESS_READ_WRITE; image.format = cb->format; ctx->set_shader_images(ctx, PIPE_SHADER_COMPUTE, 0, 1, &image); /* Dispatch compute. */ struct pipe_grid_info info = {0}; info.block[0] = 8; info.block[1] = 8; info.block[2] = 1; info.grid[0] = cb->width0 / 8; info.grid[1] = cb->height0 / 8; info.grid[2] = 1; ctx->launch_grid(ctx, &info); /* Check pixels. */ static const float expected[] = {1.0, 0.0, 0.0, 0.0}; bool pass = util_probe_rect_rgba(ctx, cb, 0, 0, cb->width0, cb->height0, expected); /* Cleanup. */ ctx->delete_compute_state(ctx, compute_shader); pipe_resource_reference(&cb, NULL); util_report_result(pass); } /** * Run all tests. This should be run with a clean context after * context_create. */ void util_run_tests(struct pipe_screen *screen) { struct pipe_context *ctx = screen->context_create(screen, NULL, 0); null_fragment_shader(ctx); tgsi_vs_window_space_position(ctx); null_sampler_view(ctx, TGSI_TEXTURE_2D); null_sampler_view(ctx, TGSI_TEXTURE_BUFFER); util_test_constant_buffer(ctx, NULL); test_sync_file_fences(ctx); for (int i = 1; i <= 8; i = i * 2) test_texture_barrier(ctx, false, i); for (int i = 1; i <= 8; i = i * 2) test_texture_barrier(ctx, true, i); ctx->destroy(ctx); ctx = screen->context_create(screen, NULL, PIPE_CONTEXT_COMPUTE_ONLY); test_compute_clear_image(ctx); ctx->destroy(ctx); puts("Done. Exiting.."); exit(0); }